8400084484049 has 4 divisors (see below), whose sum is σ = 8400485291520. Its totient is φ = 8399683676580.

The previous prime is 8400084484027. The next prime is 8400084484079. The reversal of 8400084484049 is 9404844800048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8400084484049 - 2²⁸ = 8399816048593 is a prime.

It is a super-2 number, since 2×8400084484049² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8400084484079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200372297 + ... + 200414214.

It is an arithmetic number, because the mean of its divisors is an integer number (2100121322880).

Almost surely, 2^{8400084484049} is an apocalyptic number.

It is an amenable number.

8400084484049 is a deficient number, since it is larger than the sum of its proper divisors (400807471).

8400084484049 is a wasteful number, since it uses less digits than its factorization.

8400084484049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400807470.

The product of its (nonzero) digits is 4718592, while the sum is 53.

The spelling of 8400084484049 in words is "eight trillion, four hundred billion, eighty-four million, four hundred eighty-four thousand, forty-nine".